Last week, NASA revealed some of the science and technology payloads that will be hitching a ride to deep space with the agency’s Artemis I moon mission. In the same week, a Russian cosmonaut had to cut short his spacewalk because of a space suit […]

Besides being Independence Day, Monday is also aphelion day when Earth is farthest from the sun at 94.5 million miles. There is a slight flexure in the Earth’s orbit from the gravitational interaction with the moon and, by a smaller amount, the planets, so the […]